name: "Pull Request: Get metadata"

on:
  workflow_call:
    outputs:
      isRenovatePR:
        description: "Is the PR coming from Renovate?"
        value: ${{ jobs.pr-metadata.outputs.isRenovatePR }}
      isFork:
        description: "Is the PR coming from a forked repo?"
        value: ${{ jobs.pr-metadata.outputs.isFork }}
      addedOrModified:
        description: "Does the PR contain any changes?"
        value: ${{ jobs.pr-changes.outputs.addedOrModified }}
      addedOrModifiedFiles:
        description: "A list of the files changed in this PR"
        value: ${{ jobs.pr-changes.outputs.addedOrModifiedFiles }}
      addedOrModifiedCharts:
        description: "A list of the charts changed in this PR"
        value: ${{ jobs.pr-changes.outputs.addedOrModifiedCharts }}

jobs:
  pr-metadata:
    name: Collect PR metadata
    runs-on: ubuntu-latest
    outputs:
      isRenovatePR: ${{ startsWith(steps.branch-name.outputs.current_branch, 'renovate/') }}
      isFork: ${{ github.event.pull_request.head.repo.full_name != github.repository }}
    steps:
      - name: Get branch name
        id: branch-name
        uses: tj-actions/branch-names@9cd06d955f4184031cd71fbb1717ac268ade2ee0 # tag=v5.2

      - name: Save PR data to file
        env:
          PR_NUMBER: ${{ github.event.number }}
        run: |
          echo $PR_NUMBER > pr_number.txt

      - name: Store pr data in artifact
        uses: actions/upload-artifact@3cea5372237819ed00197afe530f5a7ea3e805c8 # tag=v3
        with:
          name: pr_metadata
          path: ./pr_number.txt
          retention-days: 5

  pr-changes:
    name: Collect PR changes
    runs-on: ubuntu-latest
    outputs:
      addedOrModified: ${{ steps.collect-changes.outputs.changesDetected }}
      addedOrModifiedFiles: ${{ steps.collect-changes.outputs.addedOrModifiedFiles }}
      addedOrModifiedCharts: ${{ steps.collect-changes.outputs.addedOrModifiedCharts }}
    steps:
      - name: Checkout
        uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b # tag=v3

      - name: Collect changes
        id: collect-changes
        uses: ./.github/actions/collect-changes